code: def hold(self, ack_key, delay=5):
      self.logger.debug(
          (
              "Message acknoledgment deadline is extended by {} "
              + "min for {}"
          ).format(delay, ack_key)
      )
      self.subclient.modify_ack_deadline(
          self.sub_name, [ack_key], int(delay * 60)
      )
  
file_path: studio/studio/pubsub_queue.py
imports: import os
  import json
  import time
  from google.api_core.exceptions import RetryError
  from studio.util.util import sixdecode, retry, parse_verbosity, check_for_kb_interrupt
  from studio.util import logs
label_desc: Use image node_id 7 for calling the PubsubQueue obj's underlying member method code with example usage: obj.hold(ack_key, delay) without return types